Home / 542,019.79-747,977.61-300,297.52

Finding the Fourth Proportional to 542,019.79, 747,977.61 and 300,297.52

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Solution

The fourth proportional to 542,019.79, 747,977.61 and 300,297.52 is: 414,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,019.79 : 747,977.61 = 300,297.52 : x
  2. Step 2: Convert to fraction form
    542,019.79/747,977.61 = 300,297.52/x
  3. Step 3: Cross multiply
    542,019.79x = 747,977.61 × 300,297.52
  4. Step 4: Simplify right side
    542,019.79x = 224,615,819,152.24
  5. Step 5: Solve for x
    x = 224,615,819,152.24/542,019.79
  6. Step 6: Final answer
    x = 414,405.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.